Abstract
In this article we present the results of measurement of νeff in Fermi spectra with lower bounds of 0.15 ev (gadolinium filter) and 0.4 ev (cadmium filter) for samples of Pu239 with various concentrations of impurities of the isotope Pu240 (0% 1.6%, 2.5%, 6.5%, 16%) and the effective resonance absorption integral of Pu240.
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Additional information
The present work was carried out on the suggestion of academician I. V. Kurchatov. The authors take this opportunity again to express their gratitude to him for his constant interest in the work.
We also express our indebtedness to P. E. Spivak for directing ther work.
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Erozolimsky, B.G., Kutikov, I.Ē., Dobrynin, Y.P. et al. Measurement of the average number νeff of neutrons emitted per single capture event for samples of Pu239 with impurities of the isotope Pu240 and the effective resonance capture integral of Pu240 . The Soviet Journal of Atomic Energy 1, 311–315 (1956). https://doi.org/10.1007/BF01514494
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DOI: https://doi.org/10.1007/BF01514494